RANKING · 2022 ACS · 500 SHOWN OF 3,144

Most vulnerable to extreme heat, US counties

US counties ranked by the share of people with three or more risk factors that make it hardest to cope with extreme heat in 2022, from the Census Bureau's experimental Community Resilience Estimates for Heat (experimental, modeled data). Kusilvak Census Area, Alaska leads at 81.4%. 3,144 counties qualify in total. Alaska carries 13 of the top 25 entries.

All statesAll rankings

SAME RANKING BYStates

RANKPLACESTATEPOPHEAT VULNERABILITY RATEVS –

USUnited States331,097,59325.3%–

01Kusilvak Census Area, AKAK7,93281.4%–

02Bethel Census Area, AKAK18,39177.0%–

03Northwest Arctic, AKAK7,09573.7%–

04Nome Census Area, AKAK9,83069.6%–

05Aleutians East, AKAK3,47965.3%–

06Yukon-Koyukuk Census Area, AKAK5,02864.2%–

07Copper River Census Area, AKAK2,66662.4%–

08Mellette County, SDSD2,13758.5%–

09Costilla County, COCO3,67958.1%–

10Buffalo County, SDSD1,80257.8%–

11Dillingham Census Area, AKAK4,48357.6%–

12Golden Valley County, MTMT84457.5%–

13Prince of Wales-Hyder Census Area, AKAK5,77757.1%–

14Hoonah-Angoon Census Area, AKAK2,27156.4%–

15Wrangell, AKAK2,00755.9%–

16Mora County, NMNM4,05154.7%–

17Bristol Bay, AKAK84753.6%–

18Carter County, MTMT1,38353.4%–

19Tensas Parish, LALA3,70053.0%–

20McKinley County, NMNM68,11952.6%–

21Sanders County, MTMT14,06252.5%–

22Pondera County, MTMT6,07251.9%–

23Sierra County, NMNM11,39551.8%–

24Apache County, AZAZ64,44551.7%–

25Lake and Peninsula, AKAK1,35751.3%–

26Liberty County, MTMT1,95751.3%–

27Nye County, NVNV57,33651.3%–

28San Juan County, UTUT14,54251.3%–

29Quitman County, GAGA2,25451.2%–

30Saguache County, COCO6,73251.1%–

31Jackson County, SDSD2,66651.0%–

32Piute County, UTUT1,50950.6%–

33Benewah County, IDID10,50850.5%–

34Yakutat, AKAK67250.4%–

35Edwards County, TXTX1,37050.3%–

36Socorro County, NMNM15,83849.8%–

37Madison Parish, LALA8,84449.7%–

38Petersburg, AKAK3,39449.5%–

39Hudspeth County, TXTX3,43349.4%–

40Zapata County, TXTX13,75349.1%–

41Randolph County, GAGA6,15649.1%–

42Oscoda County, MIMI8,72349.0%–

43Real County, TXTX2,74548.9%–

44Catron County, NMNM3,82748.9%–

45Navajo County, AZAZ109,94648.8%–

46La Paz County, AZAZ16,71148.5%–

47Glacier County, MTMT13,46348.3%–

48Cibola County, NMNM26,80748.3%–

49Menard County, TXTX1,95648.1%–

50Big Horn County, MTMT12,75247.8%–

51Colfax County, NMNM12,18447.8%–

52Lake County, TNTN6,24947.7%–

53Lake County, MIMI13,18247.6%–

54Southeast Fairbanks Census Area, AKAK7,27047.6%–

55Sharkey County, MSMS3,09747.6%–

56Mackinac County, MIMI11,23647.5%–

57Cochran County, TXTX2,54647.3%–

58Calhoun County, GAGA5,41347.0%–

59LaGrange County, ININ41,30547.0%–

60Kemper County, MSMS8,60046.9%–

61Luna County, NMNM25,40746.9%–

62Storey County, NVNV4,26046.8%–

63Oglala Lakota County, SDSD13,33846.8%–

64Taos County, NMNM34,56446.8%–

65Haines, AKAK2,06846.6%–

66Upton County, TXTX3,13146.6%–

67Montmorency County, MIMI9,84246.5%–

68Huerfano County, COCO7,01146.4%–

69Madison County, FLFL18,75946.4%–

70Briscoe County, TXTX1,47446.3%–

71Bronx County, NYNY1,406,33246.3%–

72Gila County, AZAZ53,80146.2%–

73Sierra County, CACA3,09846.1%–

74Sherman County, OROR2,05146.0%–

75Tyrrell County, NCNC3,53746.0%–

76Wheatland County, MTMT2,10045.9%–

77Ontonagon County, MIMI5,82345.9%–

78St. Helena Parish, LALA10,75845.9%–

79Delta County, COCO32,17845.8%–

80Schleicher County, TXTX2,24545.8%–

81Luce County, MIMI6,33945.8%–

82Ouray County, COCO5,26545.8%–

83San Miguel County, NMNM26,26045.7%–

84Washington County, IDID11,58345.7%–

85Claiborne Parish, LALA13,35445.6%–

86Quay County, NMNM8,45445.6%–

87Rosebud County, MTMT8,25345.6%–

88Clay County, GAGA2,81545.6%–

89Marion County, SCSC28,24245.6%–

90Corson County, SDSD3,78145.5%–

91Mineral County, COCO91045.4%–

92Aleutians West Census Area, AKAK5,24045.4%–

93Hickory County, MOMO9,04445.4%–

94Noxubee County, MSMS9,79845.3%–

95Ziebach County, SDSD2,38945.3%–

96Lemhi County, IDID8,47445.2%–

97Mineral County, MTMT5,18544.9%–

98Kenai Peninsula, AKAK61,95144.9%–

99Owyhee County, IDID12,66144.8%–

100Perry County, ALAL7,42544.8%–

101North Slope, AKAK10,58244.8%–

102Wilcox County, ALAL9,66644.6%–

103Allendale County, SCSC7,35544.5%–

104Boundary County, IDID13,99744.5%–

105Coke County, TXTX3,41244.5%–

106Lake County, MTMT33,39244.4%–

107Iosco County, MIMI25,26644.3%–

108Roosevelt County, MTMT10,24244.3%–

109Hot Springs County, WYWY4,60044.2%–

110Montgomery County, MSMS9,35444.2%–

111Cottle County, TXTX1,22444.2%–

112Holmes County, MSMS15,46544.2%–

113Jefferson Davis County, MSMS10,94144.1%–

114Jenkins County, GAGA8,84344.1%–

115East Carroll Parish, LALA6,76044.1%–

116Marlboro County, SCSC25,48844.0%–

117De Baca County, NMNM1,64744.0%–

118Glades County, FLFL13,27043.9%–

119Holmes County, OHOH44,97043.9%–

120Pershing County, NVNV6,42143.8%–

121Magoffin County, KYKY11,11043.7%–

122Lincoln County, MTMT22,32843.7%–

123Plumas County, CACA18,58343.6%–

124Custer County, IDID4,63643.5%–

125Blaine County, MTMT6,86043.5%–

126Jackson County, COCO1,21143.5%–

127Macon County, ALAL18,13243.5%–

128San Juan County, NMNM120,34043.4%–

129Lee County, ARAR8,02943.4%–

130Bamberg County, SCSC12,79643.4%–

131Bledsoe County, TNTN15,92043.3%–

132San Juan County, COCO81343.2%–

133Rolette County, NDND11,68843.2%–

134Owsley County, KYKY3,93243.1%–

135Desha County, ARAR9,98443.0%–

136Hawaii County, HIHI210,04343.0%–

137Sumter County, ALAL11,58843.0%–

138Alcona County, MIMI10,55643.0%–

139Eureka County, NVNV1,86742.9%–

140Iron County, MIMI11,75742.9%–

141Clearwater County, IDID9,11842.9%–

142Wyoming County, WVWV19,80142.9%–

143Chicot County, ARAR9,10742.8%–

144Claiborne County, MSMS8,05842.8%–

145King and Queen County, VAVA6,74342.7%–

146Bienville Parish, LALA12,26942.7%–

147Galax, VAVA6,67042.7%–

148Grant County, NMNM27,25242.6%–

149Mason County, TXTX3,99042.6%–

150Dillon County, SCSC27,45842.6%–

151Carroll County, MSMS9,22642.5%–

152Conecuh County, ALAL10,89942.5%–

153Kent County, TXTX67442.4%–

154Dallas County, ARAR6,01142.4%–

155Todd County, SDSD8,86342.3%–

156Sioux County, NDND3,66742.3%–

157Monroe County, ARAR6,24442.2%–

158Lafayette County, FLFL8,79242.2%–

159Summers County, WVWV11,53242.2%–

160Lewis County, IDID3,70442.1%–

161Macon County, GAGA11,75642.1%–

162Jefferson County, MSMS6,82542.0%–

163Jefferson County, WAWA33,97042.0%–

164Red River County, TXTX11,81642.0%–

165Columbia County, WAWA4,14142.0%–

166Hill County, MTMT16,16741.9%–

167Mineral County, NVNV4,40741.9%–

168Daggett County, UTUT93441.9%–

169Bonner County, IDID54,42041.9%–

170Lowndes County, ALAL9,35941.9%–

171Fergus County, MTMT11,82541.8%–

172Lincoln County, IDID5,60341.7%–

173Esmeralda County, NVNV72941.7%–

174Towns County, GAGA13,28541.7%–

175Montezuma County, COCO26,67841.6%–

176Grays Harbor County, WAWA78,14441.6%–

177Petroleum County, MTMT54841.6%–

178Schoolcraft County, MIMI8,18741.5%–

179Warren County, GAGA5,26941.5%–

180Adams County, IDID5,01341.5%–

181Prairie County, MTMT1,11241.5%–

182Denali, AKAK1,61641.5%–

183Powder River County, MTMT1,78141.5%–

184Monroe County, MOMO8,95941.4%–

185Williamsburg County, SCSC29,66241.4%–

186Conejos County, COCO7,52941.4%–

187Presque Isle County, MIMI13,12841.4%–

188Jackson Parish, LALA15,83441.4%–

189Wibaux County, MTMT88541.4%–

190Brunswick County, VAVA15,72741.3%–

191Fremont County, COCO50,03941.3%–

192Douglas County, NVNV50,11141.3%–

193Harding County, NMNM61741.2%–

194Dimmit County, TXTX8,02441.2%–

195Roscommon County, MIMI23,91441.2%–

196Lincoln County, NMNM19,84441.2%–

197Teton County, MTMT6,49641.2%–

198Kodiak Island, AKAK12,38741.1%–

199Skagway, AKAK1,10441.1%–

200Keweenaw County, MIMI2,18641.1%–

201Potter County, PAPA15,89741.1%–

202Rio Arriba County, NMNM39,83241.0%–

203Torrance County, NMNM16,10041.0%–

204Gooding County, IDID16,44641.0%–

205La Salle County, TXTX6,51740.9%–

206Forest County, PAPA6,61440.9%–

207Baraga County, MIMI8,16940.8%–

208Oneida County, IDID5,08540.8%–

209Goshen County, WYWY12,64040.8%–

210Wayne County, TNTN16,41640.8%–

211Butte County, IDID2,78340.8%–

212La Plata County, COCO56,89840.7%–

213Pacific County, WAWA24,35740.7%–

214Clare County, MIMI31,54340.7%–

215Gadsden County, FLFL44,29840.7%–

216Lamb County, TXTX12,57940.7%–

217Otero County, COCO17,68340.7%–

218Inyo County, CACA18,15840.6%–

219Warren County, NCNC18,89840.6%–

220Bent County, COCO5,71640.6%–

221Union Parish, LALA20,56140.6%–

222Bennett County, SDSD3,30740.6%–

223Dixie County, FLFL18,03840.6%–

224St. Francis County, ARAR21,80040.5%–

225Bullock County, ALAL9,78040.5%–

226McIntosh County, OKOK19,75840.5%–

227Breathitt County, KYKY12,55840.4%–

228Sitka, AKAK8,31940.4%–

229Brooks County, TXTX6,57940.4%–

230Lincoln County, NVNV4,32040.4%–

231Pocahontas County, WVWV7,60240.3%–

232Hancock County, GAGA8,68240.3%–

233Wilkinson County, MSMS7,58240.3%–

234Barbour County, ALAL24,60740.2%–

235Pushmataha County, OKOK10,80740.2%–

236Lincoln County, OROR50,63640.2%–

237Worth County, MOMO1,91440.2%–

238Sabine County, TXTX10,01240.2%–

239Lake County, CACA67,77240.2%–

240Ben Hill County, GAGA17,09940.1%–

241Clinch County, GAGA6,84740.1%–

242Curry County, OROR22,62140.1%–

243Northampton County, NCNC16,49140.1%–

244Lunenburg County, VAVA12,05840.1%–

245Hale County, ALAL15,19440.0%–

246Stone County, ARAR12,70340.0%–

247Guadalupe County, NMNM4,34340.0%–

248Grayson County, VAVA15,23040.0%–

249Hamilton County, FLFL14,18040.0%–

250Talbot County, GAGA5,70940.0%–

251Taylor County, GAGA7,81840.0%–

252Red River Parish, LALA7,16539.9%–

253Grant County, OROR7,07539.9%–

254Las Animas County, COCO14,39139.9%–

255Archuleta County, COCO14,30639.9%–

256Duval County, TXTX9,40239.9%–

257Shelby County, TXTX24,28639.9%–

258Cheboygan County, MIMI25,79339.8%–

259Jefferson County, OROR25,74039.8%–

260San Juan County, WAWA18,57739.8%–

261Siskiyou County, CACA42,01339.8%–

262Garfield County, NENE1,71039.8%–

263Coal County, OKOK5,43639.7%–

264Granite County, MTMT3,65839.7%–

265Gogebic County, MIMI14,28539.6%–

266Latimer County, OKOK9,64539.6%–

267Lincoln Parish, LALA48,36039.6%–

268Doddridge County, WVWV7,63439.6%–

269Chugach Census Area, AKAK6,55339.6%–

270Uvalde County, TXTX24,96339.6%–

271Highland County, VAVA2,31839.5%–

272Clay County, NCNC12,23939.5%–

273Adams County, MSMS30,06139.5%–

274Lincoln County, WVWV19,17739.5%–

275Starr County, TXTX66,31939.5%–

276Rio Grande County, COCO11,08739.4%–

277Floyd County, TXTX4,88139.4%–

278Carbon County, MTMT11,46639.4%–

279Hickman County, KYKY4,37239.4%–

280Jim Hogg County, TXTX4,55539.4%–

281Lee County, SCSC15,73039.4%–

282Refugio County, TXTX6,65739.4%–

283Brooks County, GAGA16,10139.4%–

284Yazoo County, MSMS22,94739.3%–

285Graham County, KSKS2,37139.3%–

286Stillwater County, MTMT9,44539.3%–

287Morgan County, MOMO22,41839.3%–

288McDowell County, WVWV16,87839.3%–

289Clallam County, WAWA78,20239.3%–

290Churchill County, NVNV25,85139.3%–

291Dooly County, GAGA11,15639.3%–

292Dallas County, ALAL35,14039.2%–

293Fremont County, WYWY39,46439.2%–

294McCormick County, SCSC10,21539.2%–

295Lane County, KSKS1,50839.2%–

296Cheyenne County, COCO1,71339.2%–

297Okanogan County, WAWA45,23039.2%–

298Phillips County, ARAR14,25539.1%–

299Parmer County, TXTX9,67839.1%–

300Idaho County, IDID17,87439.1%–

301Donley County, TXTX3,21339.1%–

302Buchanan County, VAVA18,49239.1%–

303Powell County, MTMT7,15739.1%–

304Pulaski County, ILIL4,82039.1%–

305Toole County, MTMT5,21139.0%–

306Sabine Parish, LALA21,83439.0%–

307Yancey County, NCNC19,08439.0%–

308Reeves County, TXTX12,13839.0%–

309Kalawao County, HIHI8239.0%–

310Montgomery County, ARAR8,57939.0%–

311Kane County, UTUT8,59739.0%–

312Worth County, GAGA20,05938.9%–

313Woodruff County, ARAR5,71038.9%–

314Washington County, MSMS40,44638.9%–

315Wheeler County, TXTX4,77338.9%–

316Avery County, NCNC18,11038.9%–

317Davis County, IAIA9,23038.9%–

318Haskell County, TXTX5,49938.8%–

319Fentress County, TNTN20,32238.8%–

320Tunica County, MSMS8,81938.8%–

321Custer County, COCO5,59038.8%–

322Forest County, WIWI9,57438.8%–

323Cameron County, PAPA4,21138.8%–

324Ozark County, MOMO9,17238.8%–

325Calhoun County, FLFL13,28938.7%–

326Union County, NMNM3,84438.7%–

327Treutlen County, GAGA6,46638.7%–

328Santa Cruz County, AZAZ50,02038.7%–

329Jeff Davis County, TXTX1,71138.7%–

330Webster Parish, LALA34,94838.7%–

331Izard County, ARAR14,40538.6%–

332Deer Lodge County, MTMT9,70938.6%–

333Tucker County, WVWV6,54038.6%–

334Imperial County, CACA181,41138.6%–

335Mercer County, MOMO3,40438.6%–

336Washington County, NCNC10,63838.6%–

337Llano County, TXTX23,35338.6%–

338Valencia County, NMNM82,01338.5%–

339Miller County, GAGA5,81238.5%–

340Limestone County, TXTX22,84938.5%–

341Taliaferro County, GAGA1,66238.5%–

342Avoyelles Parish, LALA37,94138.5%–

343Yavapai County, AZAZ252,55238.5%–

344Knox County, KYKY29,53238.5%–

345Polk County, TXTX53,43438.4%–

346Cheyenne County, KSKS2,60438.4%–

347Hale County, TXTX31,81938.4%–

348Choctaw County, ALAL11,90438.3%–

349Pike County, MSMS38,71238.3%–

350Harmon County, OKOK2,32738.3%–

351McPherson County, SDSD2,34738.3%–

352Modoc County, CACA8,42638.3%–

353Washington County, MEME31,33438.3%–

354Leake County, MSMS21,66238.3%–

355Alexander County, ILIL4,57038.3%–

356Hardee County, FLFL25,93238.3%–

357McIntosh County, GAGA11,98938.3%–

358Hertford County, NCNC19,01538.3%–

359Monterey County, CACA433,72938.3%–

360Treasure County, MTMT72838.3%–

361Wolfe County, KYKY6,29838.3%–

362Benton County, MSMS7,50238.3%–

363Robeson County, NCNC119,94138.2%–

364Franklin County, FLFL13,02938.2%–

365Alpena County, MIMI28,85338.2%–

366Broadwater County, MTMT8,49338.2%–

367Yoakum County, TXTX7,43838.1%–

368Fleming County, KYKY15,78738.1%–

369Pendleton County, WVWV5,82638.1%–

370Marshall County, SDSD4,42638.1%–

371Todd County, KYKY12,97238.1%–

372Dickenson County, VAVA13,23638.1%–

373Lee County, KYKY7,29738.1%–

374Jim Wells County, TXTX38,80438.1%–

375Brewster County, TXTX9,45838.1%–

376Choctaw County, OKOK14,05938.0%–

377Crawford County, MIMI13,72238.0%–

378Baker County, OROR16,65838.0%–

379Mendocino County, CACA88,12238.0%–

380Presidio County, TXTX5,43338.0%–

381Smyth County, VAVA28,88237.9%–

382Panola County, MSMS32,69137.9%–

383Stephens County, TXTX9,38037.9%–

384Wilkes County, GAGA9,54037.9%–

385Yalobusha County, MSMS12,37537.9%–

386Clarke County, MSMS15,10237.9%–

387Chouteau County, MTMT5,86537.9%–

388Haywood County, TNTN17,04237.9%–

389Seminole County, GAGA9,16237.8%–

390Alamosa County, COCO16,68837.8%–

391Morehouse Parish, LALA23,70537.8%–

392Wheeler County, OROR1,47237.8%–

393Willacy County, TXTX19,97137.8%–

394Jewell County, KSKS2,83037.7%–

395Benton County, TNTN16,18337.7%–

396Newton County, MSMS20,96037.7%–

397Weston County, WYWY6,84037.7%–

398Coahoma County, MSMS19,84937.7%–

399Greene County, NCNC20,70037.7%–

400Del Norte County, CACA26,41037.6%–

401New York County, NYNY1,664,86237.6%–

402Waldo County, MEME40,69337.6%–

403Lawrence County, MSMS11,81937.6%–

404Grant County, NDND2,20637.6%–

405Sublette County, WYWY8,92937.6%–

406Sunflower County, MSMS22,89337.6%–

407Bertie County, NCNC17,08637.5%–

408Hyde County, NCNC4,55437.5%–

409Clarke County, ALAL22,01437.5%–

410Piscataquis County, MEME17,40937.5%–

411Bayfield County, WIWI16,78737.5%–

412Calaveras County, CACA46,60537.5%–

413Garfield County, MTMT1,14837.4%–

414Park County, WYWY31,17137.4%–

415Montrose County, COCO44,59137.4%–

416Mahnomen County, MNMN5,15337.4%–

417Kiowa County, COCO1,41237.4%–

418Juneau, AKAK31,60937.3%–

419Wasco County, OROR26,31037.3%–

420Gladwin County, MIMI26,07737.3%–

421Manistee County, MIMI25,65637.3%–

422Sullivan County, PAPA5,85637.3%–

423Hardeman County, TXTX3,29237.3%–

424Greene County, ALAL7,06737.3%–

425Osceola County, MIMI23,51637.3%–

426Platte County, WYWY8,63437.3%–

427Twiggs County, GAGA7,59737.3%–

428Scotland County, NCNC33,32237.2%–

429Craig County, OKOK14,51837.2%–

430Adair County, OKOK19,82837.2%–

431Hamilton County, NYNY5,00637.2%–

432Dolores County, COCO2,46637.2%–

433Moffat County, COCO13,12237.2%–

434Uinta County, WYWY20,72837.2%–

435Vilas County, WIWI23,76137.2%–

436Harney County, OROR7,38037.1%–

437Valley County, IDID12,83137.1%–

438Concordia Parish, LALA17,83637.0%–

439Live Oak County, TXTX11,92937.0%–

440Milam County, TXTX26,25837.0%–

441Oldham County, TXTX1,78337.0%–

442Tuolumne County, CACA53,16037.0%–

443Leflore County, MSMS25,68636.9%–

444Pickett County, TNTN5,21936.9%–

445Delaware County, OKOK41,91036.9%–

446Rains County, TXTX13,54236.9%–

447Prowers County, COCO11,88436.9%–

448Lassen County, CACA28,11736.9%–

449Franklin Parish, LALA19,00236.9%–

450Thomas County, KSKS7,72536.9%–

451Hardin County, ILIL3,58836.8%–

452Tillamook County, OROR27,38436.8%–

453Grundy County, TNTN14,11636.8%–

454Polk County, NCNC20,53336.8%–

455Okeechobee County, FLFL42,60836.8%–

456Fayette County, ALAL15,87236.8%–

457Tyler County, TXTX20,44336.8%–

458Humphreys County, MSMS7,00136.7%–

459Missaukee County, MIMI15,27436.7%–

460Price County, WIWI13,98836.7%–

461Gillespie County, TXTX28,52736.7%–

462Scott County, MSMS28,07336.7%–

463Barnwell County, SCSC20,65336.7%–

464Deaf Smith County, TXTX18,62636.7%–

465Northampton County, VAVA11,87936.7%–

466Transylvania County, NCNC34,21136.6%–

467Putnam County, FLFL77,73436.6%–

468Yates County, NYNY24,54736.6%–

469Webster County, GAGA2,36936.6%–

470Camp County, TXTX13,38036.6%–

471Orangeburg County, SCSC83,17736.6%–

472Douglas County, OROR111,95136.5%–

473Charlotte County, VAVA11,40136.5%–

474Cocke County, TNTN37,88936.5%–

475Barbour County, WVWV15,41436.5%–

476Bolivar County, MSMS28,26236.5%–

477Hinsdale County, COCO75336.5%–

478Copiah County, MSMS27,49736.5%–

479Menominee County, MIMI22,94136.5%–

480Big Horn County, WYWY12,02436.5%–

481Niobrara County, WYWY2,34136.5%–

482Lancaster County, VAVA10,99536.5%–

483Grainger County, TNTN25,73936.5%–

484Walthall County, MSMS13,92836.5%–

485Leon County, TXTX16,89436.5%–

486Santa Fe County, NMNM156,90736.5%–

487Estill County, KYKY13,96236.5%–

488Aransas County, TXTX26,14636.4%–

489Alger County, MIMI8,64136.4%–

490Cumberland County, KYKY5,99236.4%–

491Mason County, WAWA71,16536.4%–

492Ashe County, NCNC27,51436.4%–

493Irion County, TXTX1,46336.4%–

494Shoshone County, IDID14,13036.4%–

495Phillips County, MTMT4,20336.4%–

496West Carroll Parish, LALA9,15636.4%–

497Cochise County, AZAZ126,33236.3%–

498Trigg County, KYKY14,51236.3%–

499Sequatchie County, TNTN17,86136.3%–

500Okfuskee County, OKOK11,45136.3%–

SHOWING 1–500 OF 3,144

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Download CSV (full list, 3,144 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES

Frequently asked

Which county has the highest heat vulnerability rate?

Kusilvak Census Area, Alaska ranks #1 with 81.4% (2022 American Community Survey).

What are the top 5 counties by heat vulnerability rate?

Kusilvak Census Area, Alaska, Bethel Census Area, Alaska, Northwest Arctic, Alaska, Nome Census Area, Alaska, Aleutians East, Alaska.

How many counties are in this ranking?

3,144 counties qualify after filtering for population minimums and data availability. The ranking covers 2022 ACS 5-year data.

How is heat vulnerability rate measured?

Share of people estimated to have three or more of the risk factors that make it hardest to prepare for and recover from extreme heat, from the Census Bureau's experimental Community Resilience Estimates for Heat. Source: US Census Bureau, American Community Survey 5-year estimates (2022).